#include "mainwindow.h"
#include "ui_mainwindow.h"
#include <QDebug>

MainWindow::MainWindow(QWidget *parent)
    : QMainWindow(parent)
    , ui(new Ui::MainWindow)
{
    ui->setupUi(this);

    QMenuBar *menuBar = new QMenuBar();
    this->setMenuBar(menuBar);

    QMenu *menu1 = new QMenu("菜单(&F)");
    QMenu *menu2 = new QMenu("菜双(&G)");
    menuBar->addMenu(menu1);
    menuBar->addMenu(menu2);

    QAction *action1 = new QAction("action1 (&C)");
    QAction *action2 = new QAction("action2 (&V)");
    QAction *action3 = new QAction("action3 (&B)");
    QAction *action4 = new QAction("action4 (&N)");

    menu1->addAction(action1);
    menu1->addAction(action2);
    menu2->addAction(action3);
    menu2->addAction(action4);

    connect(action1,&QAction::triggered,this,&MainWindow::handle1);
    connect(action2,&QAction::triggered,this,&MainWindow::handle2);
    connect(action3,&QAction::triggered,this,&MainWindow::handle3);
    connect(action4,&QAction::triggered,this,&MainWindow::handle4);
}

MainWindow::~MainWindow()
{
    delete ui;
}

void MainWindow::handle1()
{
    qDebug() << "1";
}
void MainWindow::handle2()
{
    qDebug() << "2";
}
void MainWindow::handle3()
{
    qDebug() << "3";
}
void MainWindow::handle4()
{
    qDebug() << "4";
}

